<template>
  <header class="header">
    <!-- 头部的第一行 -->
    <div class="top">
      <div class="container">
        <div class="loginList">
          <p>尚品汇欢迎您！</p>
          <!--未登录-->
          <p v-if="!userName">
            <span>请</span>
            <router-link to="/login">登录</router-link>
            <router-link to="/register" class="register">免费注册</router-link>
          </p>
          <!--已登录-->
          <p v-else>
            <a>{{ userName }}</a>
            <a class="register" @click="loginOut">退出登录</a>
          </p>
        </div>
        <div class="typeList">
          <router-link to="/center">我的订单</router-link>
          <router-link to="/shopcart">我的购物车</router-link>
          <a href="###">我的尚品汇</a>
          <a href="###">尚品汇会员</a>
          <a href="###">企业采购</a>
          <a href="###">关注尚品汇</a>
          <a href="###">合作招商</a>
          <a href="###">商家后台</a>
        </div>
      </div>
    </div>
    <!--头部第二行 搜索区域-->
    <div class="bottom">
      <h1 class="logoArea">
        <router-link class="logo" to="/home">
          <img src="./images/logo.png" alt="">
        </router-link>
      </h1>
      <div class="searchArea">
        <form action="###" class="searchForm">
          <input v-model="keyword" type="text" id="autocomplete" class="input-error input-xxlarge"/>
          <button class="sui-btn btn-xlarge btn-danger" type="button"  @click="goSearch">搜索</button>
        </form>
      </div>
    </div>
  </header>
</template>

<script>
  export default {
    name: "Header",
    data(){
      return{
        keyword:'',
      }
    },
    mounted() {
    //  全局事件总线清除keyword
      this.$bus.$on('clear',()=>{
        this.keyword = ''
      })
    },
    methods:{
      //编程式导航路由跳转
      goSearch(){
        let location = {
          name:'search',
          params:{
            keyword:this.keyword || undefined
          },
        }
        //如果有query参数
        if (this.$route.query){
          location.query = this.$route.query
        }
        this.$router.push(location)
      },
      //退出登录
      async loginOut(){
        try {
          await this.$store.dispatch('user/userLogout')
          await this.$router.push('/login')
        }catch (e) {
          alert(e.message)
        }
      }
    },
    computed:{
      //用户名信息
      userName(){
        return this.$store.state.user.userInfo.name
      }
    }
  }
</script>

<style lang="less" scoped>
  .header {

  &
  > .top {
    background-color: #eaeaea;
    height: 30px;
    line-height: 30px;

  .container {
    width: 1200px;
    margin: 0 auto;
    overflow: hidden;

  .loginList {
    float: left;

  p {
    float: left;
    margin-right: 10px;

  .register {
    border-left: 1px solid #b3aeae;
    padding: 0 5px;
    margin-left: 5px;
  }

  }
  }

  .typeList {
    float: right;

  a {
    padding: 0 10px;

  &
  + a {
    border-left: 1px solid #b3aeae;
  }

  }

  }

  }
  }

  &
  > .bottom {
    width: 1200px;
    margin: 0 auto;
    overflow: hidden;

  .logoArea {
    float: left;

  .logo {

  img {
    width: 175px;
    margin: 25px 45px;
  }

  }
  }

  .searchArea {
    float: right;
    margin-top: 35px;

  .searchForm {
    overflow: hidden;

  input {
    box-sizing: border-box;
    width: 490px;
    height: 32px;
    padding: 0px 4px;
    border: 2px solid #ea4a36;
    float: left;

  &
  :focus {
    outline: none;
  }

  }

  button {
    height: 32px;
    width: 68px;
    background-color: #ea4a36;
    border: none;
    color: #fff;
    float: left;
    cursor: pointer;

  &
  :focus {
    outline: none;
  }

  }
  }
  }
  }
  }
</style>